Finally, our paper on stress tensor inversion package MSATSI has been published in the recent issue of Seismological Research Letters! The package has an official page at MSATSI website at GFZ (short version), but the extensive documentation and multiple examples you can find at this website.
Martínez-Garzón, P., Kwiatek, G., Ickrath, M. and M. Bohnhoff (2013). MSATSI: A MATLAB package for stress inversion combining solid classic methodology, a new simplified user-handling and a visualization tool. Seismol. Res. Lett. 85 (4), 1-9, DOI: 10.1785/0220130189 [ Article page ]